Envelop.



1. WAGNER.

ENVELOP.

APPLlcATloN FILED 14m20.191s.

Patented Mar. 18,1919.

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JOSEPH WAGNER, or EUEEALO, NEW YORK.

EN'V'ELOP.

Specification of Letters Patent. Patented Mar. 18, 1919.

Application led May 20, 1918. Serial N o. 235,623.

To all whom z't may concern:

Be it known that I, JOSEPH WAGNER, a citizen of the United States,residing at Buffalo, in the county of Erie and State of New York, haveinvented new and useful Improvements in Envelops, of which the followingis a specication.

This invention relates to envelops and it consists in the novel featureshereinafter described and claimed.

An object of the invention is to provide an envelop of simple structurewhich may be securely held in a closed position whereby its contents maybe effectually protected.

With this object in view the envelop consists of a structure made from asingle blank vof material having a front side, top and bottom apsand endflaps. The top flap is provided with a tongue and the bottom flap isprovided with a slot adapted to receive said tongue. The end flaps areprovided with slots and strips, the said slots being adapted to receivethe said tongue when the envelop is closed and one of the strips isadapted to serve as a guiding means for the tongue and the other stripis adapted to be used as a lever or pull member for spreading the backof the envelop from the front thereof when the contents are being placedin the envelop. n

In the accompanying drawing Figure 1 is a plan view of blank from whichthe envelop is formed.

Fig. 2 is a view showing the envelop as closed.

Fig. 3 isan enlarged transverse section taken in the plane indicated bythe line 3-3 of Fig. 2.

Fig. 4 is a detail view illustrative of the manner in which the envelopis formed.

The envelop is formed from a single blank of material having a frontside 1, a top Hap 2 which is provided with a tongue 3a and a bottom flap4. The Hap 4 is provided with a slot 5. End flaps 6 are located at theends of the front side 1 and the said flaps are provided withjslots 7adapted to register with the slot 5 when the bottom and end 'Iiaps arefolded over against the front side with a relatively broad strip 8 andthe other with a relatively narrow strip 8.

In the formation of my novel envelop the strip 8 is bent into a positionopposite and substantially parallel to the end flap 6 so that when theend flaps 6 are folded inwardly upon the front side 1 and so as to restbetween the bottom iap 4 and the front side l, the said strip 8 may beconnected adjacent to its free end to the inner sides of the end flaps.The strip 8 on the other end flap 6 is projected through the slot 8 ofsaid flap and through the slots 7 and 5 that are registered with theslot 3; the said strip 8 being extended outwardly through the slots 7and 5 after the iap 6 that carries the strip 8 is folded over upon thefront side 1. Manifestly the free end portion of the strip 8 may be usedas a finger piece for drawing the rear wall of the envelop away from thefront side 1 preparatory to placing contents in the envelop. The saidfree. end portion of the said strip 8 may also be used as a guide fordirecting the free end of the tongue 3a into the registered slots in thebottom and side iaps.

From the foregoing description taken in conjunction with theaccompanying drawing, it will be seen that an envelop of simple anddurable structure is provided and that the same will eectually protectits contents when the parts of the envelop are closed and sealed.

Having thus described the invention what is claimed is Y 1. An envelopformed from a single blank of material having a front side, and top,bottom and end aps; the top flap having a tongue and the bottom and endflaps having slots positioned to register, and the end flaps beingprovided with lateral strips, one of the said lateral strips beingpositioned to pass outwardly through the registered slots in the end andbottom flaps, and the other strip being comparatively wide and beingadapted to be connected adjacent to its free end to the inner sides ofthe end flaps and to lie between the front and rear walls of the envelopand opposite the said slots.

2. An envelop comprising a front side, and top, bottom and end flaps,the top flap being provided with a tongue bearing adheg3 Leer/,eti

sive at its inner side and the bottom and ond flaps, und the other endHap having a end flaps being connected together by ztdhelateral stripthat extends outwardly through 10 sivengtnd protidedwithiegisterednelots,@nd the registered slots in the end flaps and theone lend Hap having a, compzujzttively.btoad rbo om flap and has fitsinner Aportion dislateral strip positioned 'between the front posedbetween the. end apby which it is side, on the one hand and the bottomand Carried lnd the comparatively broad strip.

end fiaps, on the other and oon11eoted--adjn 'fntestiinonywhereof aix mysignature. l5 cent to its free end to the inner sides of the JOSEPHWAGNER @eines o this patent may be obtained fot ve each, by addressingthe Commissioner of latents,

